[go: up one dir, main page]

FR969797A - Catadioptric lens, high brightness, flat field, and focus outside the system - Google Patents

Catadioptric lens, high brightness, flat field, and focus outside the system

Info

Publication number
FR969797A
FR969797A FR969797DA FR969797A FR 969797 A FR969797 A FR 969797A FR 969797D A FR969797D A FR 969797DA FR 969797 A FR969797 A FR 969797A
Authority
FR
France
Prior art keywords
high brightness
flat field
catadioptric lens
focus outside
focus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Maurice-Joseph-Dulma Paul
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR969797A publication Critical patent/FR969797A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0884—Catadioptric systems having a pupil corrector
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B17/00—Systems with reflecting surfaces, with or without refracting elements
    • G02B17/08—Catadioptric systems
    • G02B17/0804—Catadioptric systems using two curved mirrors
    • G02B17/0808—Catadioptric systems using two curved mirrors on-axis systems with at least one of the mirrors having a central aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
FR969797D 1948-07-30 1948-07-30 Catadioptric lens, high brightness, flat field, and focus outside the system Expired FR969797A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR969797T 1948-07-30

Publications (1)

Publication Number Publication Date
FR969797A true FR969797A (en) 1950-12-26

Family

ID=9502186

Family Applications (1)

Application Number Title Priority Date Filing Date
FR969797D Expired FR969797A (en) 1948-07-30 1948-07-30 Catadioptric lens, high brightness, flat field, and focus outside the system

Country Status (1)

Country Link
FR (1) FR969797A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2726574A (en) * 1950-09-11 1955-12-13 Leitz Ernst Gmbh Reflecting mirror and lens objective of the cassegrain type
US2730013A (en) * 1950-09-02 1956-01-10 Leitz Ernst Gmbh Reflecting lens objective
US2730926A (en) * 1954-08-25 1956-01-17 Back Frank Gerard Catadioptric telephoto objective systems
US2748658A (en) * 1951-12-29 1956-06-05 Optische Ind De Oude Delft Nv Tele-objective of the catadioptric type
US2817270A (en) * 1955-12-12 1957-12-24 Leitz Ernst Gmbh Telescope objective systems
DE1064734B (en) * 1953-09-23 1959-09-03 Optische Ind De Oude Delft Nv Optical imaging system
DE1199515B (en) * 1961-12-23 1965-08-26 Rodenstock Optik G Mirror lens

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2730013A (en) * 1950-09-02 1956-01-10 Leitz Ernst Gmbh Reflecting lens objective
US2726574A (en) * 1950-09-11 1955-12-13 Leitz Ernst Gmbh Reflecting mirror and lens objective of the cassegrain type
US2748658A (en) * 1951-12-29 1956-06-05 Optische Ind De Oude Delft Nv Tele-objective of the catadioptric type
DE1064734B (en) * 1953-09-23 1959-09-03 Optische Ind De Oude Delft Nv Optical imaging system
US2730926A (en) * 1954-08-25 1956-01-17 Back Frank Gerard Catadioptric telephoto objective systems
US2817270A (en) * 1955-12-12 1957-12-24 Leitz Ernst Gmbh Telescope objective systems
DE1199515B (en) * 1961-12-23 1965-08-26 Rodenstock Optik G Mirror lens
US3285128A (en) * 1961-12-23 1966-11-15 Rodenstock Optik G Catadioptric objective

Similar Documents

Publication Publication Date Title
CH288032A (en) Electrical device with non-linear input-output characteristic.
CH283114A (en) Wide angle lens.
FR969797A (en) Catadioptric lens, high brightness, flat field, and focus outside the system
NL150647B (en) TELEVISION DISPLAY DEVICE, AND A GRID CORRECTION DEVICE AS A PART THEREOF.
FR1247898A (en) High-brightness, variable-focal length photographic or cinematographic lens
NL145326B (en) ARMY COMBINATION.
CH293145A (en) Photographic element with antihalation coating.
FR1041577A (en) Photographic lens with spherical, chromatic, astigmatic and automatic correction
CH283555A (en) Asymmetrical conductivity element.
CH268622A (en) Spring device.
CH290356A (en) Photographic telephoto lens.
CH275983A (en) Multistage, feedback amplifier device.
FR1045467A (en) Lighting device, in particular for the operating field
CH272046A (en) Pulley.
CH279825A (en) Compressed air control device without slide and piston.
FR971770A (en) Luminous glass or mirror, illuminated without giving shadows on the face
CH275737A (en) Serving device.
CH274292A (en) Camera.
FR1031129A (en) Rangefinder, and its application to rangefinder devices coupled with the focus of the lens
CH269094A (en) Field and meadow roller.
DK77762C (en) Camera, preferably television camera.
CH285644A (en) TV camera.
GR10865B (en) SHORT CHIMNEY SYSTEM, WITH FANS.
CH281228A (en) Magnetic device with friction elements.
DK82650C (en) Television camera.